🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 12.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1 AU - 1.06 AU

Year: 709 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,453,101 km

• M1: 157,078 km (0.058 R)
• M2: 598,691 km (0.107 R)
• M3: 1,293,274 km (0.086 R)
• M4: 1,748,201 km (0.073 R)
• M5: 3,089,794 km (0.09 R)
• M6: 3,678,312 km (0.12 R)
• M7: 5,029,480 km (0.07 R)
• M8: 5,658,091 km (0.075 R)
• M9: 7,160,352 km (0.116 R)
• M10: 7,677,512 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.2

Radius: 12.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.22 AU - 2.6 AU

Year: 2538 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,453,101 km

• M1: 151,842 km (0.081 R)
• M2: 532,120 km (0.098 R)
• M3: 981,362 km (0.086 R)
• M4: 1,764,208 km (0.111 R)
• M5: 2,736,295 km (0.058 R)
• M6: 3,309,254 km (0.076 R)
• M7: 3,850,051 km (0.081 R)
• M8: 5,065,234 km (0.092 R)
• M9: 5,958,034 km (0.088 R)
• M10: 6,547,749 km (0.099 R)
• M11: 7,461,493 km (0.117 R)
• M12: 7,904,003 km (0.078 R)
• M13: 10,752,945 km (0.104 R)
• M14: 13,565,086 km (0.077 R)
• M15: 14,136,700 km (0.117 R)
• M16: 14,816,173 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.3

Radius: 8.4

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.8 AU - 3.58 AU

Year: 3864 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,453,101 km

• M1: 104,419 km (0.07 R)
• M2: 1,754,484 km (0.104 R)
• M3: 2,698,895 km (0.025 R)
• M4: 3,904,654 km (0.091 R)
• M5: 4,243,643 km (0.113 R)
• M6: 6,304,952 km (0.099 R)
• M7: 7,230,364 km (0.069 R)
• M8: 8,026,524 km (0.08 R)
• M9: 8,501,647 km (0.112 R)
• M10: 9,428,256 km (0.074 R)
• M11: 9,998,972 km (0.111 R)
• M12: 10,549,343 km (0.092 R)
• M13: 13,608,769 km (0.039 R)
• M14: 14,874,067 km (0.066 R)
• M15: 15,929,929 km (0.112 R)
• M16: 16,563,626 km (0.111 R)
• M17: 18,128,270 km (0.078 R)
• M18: 25,221,752 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.3

Radius: 12.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.61 AU - 3.73 AU

Year: 4769 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,453,101 km

• M1: 151,243 km (0.113 R)
• M2: 611,107 km (0.117 R)
• M3: 1,069,774 km (0.091 R)
• M4: 1,502,112 km (0.107 R)
• M5: 2,104,244 km (0.111 R)
• M6: 2,492,001 km (0.105 R)
• M7: 3,096,078 km (0.102 R)
• M8: 4,712,483 km (0.076 R)
• M9: 6,092,972 km (0.058 R)
• M10: 6,951,663 km (0.097 R)
• M11: 8,559,841 km (0.063 R)
• M12: 9,051,569 km (0.113 R)
• M13: 11,756,897 km (0.045 R)
• M14: 13,040,596 km (0.114 R)
• M15: 13,930,853 km (0.106 R)
• M16: 15,265,116 km (0.066 R)
• M17: 16,737,010 km (0.097 R)
• M18: 18,765,856 km (0.071 R)
• M19: 19,477,194 km (0.087 R)
• M20: 20,702,700 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 15

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.56 AU - 4.08 AU

Year: 5064 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,453,101 km

• M1: 186,848 km (0.067 R)
• M2: 714,479 km (0.059 R)
• M3: 1,402,480 km (0.078 R)
• M4: 1,906,774 km (0.043 R)
• M5: 3,798,589 km (0.116 R)
• M6: 6,464,722 km (0.076 R)
• M7: 7,369,490 km (0.11 R)
• M8: 9,740,018 km (0.104 R)
• M9: 13,772,728 km (0.109 R)
• M10: 14,395,504 km (0.037 R)
• M11: 15,938,307 km (0.114 R)
• M12: 16,476,410 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.9

Radius: 12.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.1 AU - 6.58 AU

Year: 8370 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 94.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,453,101 km

• M1: 151,543 km (0.115 R)
• M2: 546,930 km (0.085 R)
• M3: 961,466 km (0.1 R)
• M4: 1,387,371 km (0.059 R)
• M5: 1,941,332 km (0.055 R)
• M6: 2,369,481 km (0.058 R)
• M7: 3,341,568 km (0.098 R)
• M8: 4,278,649 km (0.092 R)
• M9: 4,734,324 km (0.051 R)
• M10: 6,482,674 km (0.08 R)
• M11: 10,045,946 km (0.082 R)
• M12: 10,423,830 km (0.112 R)
• M13: 11,163,592 km (0.108 R)
• M14: 12,699,214 km (0.083 R)
• M15: 17,780,605 km (0.081 R)
• M16: 20,199,004 km (0.09 R)
• M17: 24,983,892 km (0.097 R)
• M18: 26,308,431 km (0.098 R)
• M19: 26,706,661 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.2

Radius: 7.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.4 AU - 8.54 AU

Year: 13848 Days

Day: 22.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,453,101 km

• M1: 175,777 km (0.091 R)
• M2: 463,005 km (0.116 R)
• M3: 753,674 km (0.069 R)
• M4: 2,023,012 km (0.079 R)
• M5: 3,136,170 km (0.108 R)
• M6: 5,314,464 km (0.067 R)
• M7: 6,570,638 km (0.106 R)
• M8: 8,852,604 km (0.081 R)
• M9: 12,144,505 km (0.025 R)
• M10: 13,535,915 km (0.067 R)
• M11: 15,404,841 km (0.09 R)
• M12: 17,439,521 km (0.093 R)
• M13: 23,173,009 km (0.084 R)
• M14: 27,468,263 km (0.043 R)
• M15: 28,122,305 km (0.112 R)
• M16: 31,752,597 km (0.09 R)
• M17: 35,353,418 km (0.073 R)
• M18: 37,593,945 km (0.11 R)
• M19: 38,865,676 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 12,788 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit